Home / 1,125,303.48-1,688,103.45-366,878.61

Finding the Fourth Proportional to 1,125,303.48, 1,688,103.45 and 366,878.61

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Solution

The fourth proportional to 1,125,303.48, 1,688,103.45 and 366,878.61 is: 550,366.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,303.48 : 1,688,103.45 = 366,878.61 : x
  2. Step 2: Convert to fraction form
    1,125,303.48/1,688,103.45 = 366,878.61/x
  3. Step 3: Cross multiply
    1,125,303.48x = 1,688,103.45 × 366,878.61
  4. Step 4: Simplify right side
    1,125,303.48x = 619,329,047,272.21
  5. Step 5: Solve for x
    x = 619,329,047,272.21/1,125,303.48
  6. Step 6: Final answer
    x = 550,366.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.